1 /* SPDX-License-Identifier: GPL-2.0 */
3 #define TRACE_SYSTEM compaction
5 #if !defined(_TRACE_COMPACTION_H) || defined(TRACE_HEADER_MULTI_READ)
6 #define _TRACE_COMPACTION_H
8 #include <linux/types.h>
9 #include <linux/list.h>
10 #include <linux/tracepoint.h>
11 #include <trace/events/mmflags.h>
14 DECLARE_EVENT_CLASS(mm_compaction_isolate_template,
17 unsigned long start_pfn,
18 unsigned long end_pfn,
19 unsigned long nr_scanned,
20 unsigned long nr_taken),
22 TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken),
25 __field(unsigned long, start_pfn)
26 __field(unsigned long, end_pfn)
27 __field(unsigned long, nr_scanned)
28 __field(unsigned long, nr_taken)
32 __entry->start_pfn = start_pfn;
33 __entry->end_pfn = end_pfn;
34 __entry->nr_scanned = nr_scanned;
35 __entry->nr_taken = nr_taken;
38 TP_printk("range=(0x%lx ~ 0x%lx) nr_scanned=%lu nr_taken=%lu",
45 DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_migratepages,
48 unsigned long start_pfn,
49 unsigned long end_pfn,
50 unsigned long nr_scanned,
51 unsigned long nr_taken),
53 TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
56 DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_freepages,
59 unsigned long start_pfn,
60 unsigned long end_pfn,
61 unsigned long nr_scanned,
62 unsigned long nr_taken),
64 TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
67 #ifdef CONFIG_COMPACTION
68 TRACE_EVENT(mm_compaction_migratepages,
70 TP_PROTO(unsigned long nr_all,
72 struct list_head *migratepages),
74 TP_ARGS(nr_all, migrate_rc, migratepages),
77 __field(unsigned long, nr_migrated)
78 __field(unsigned long, nr_failed)
82 unsigned long nr_failed = 0;
83 struct list_head *page_lru;
86 * migrate_pages() returns either a non-negative number
87 * with the number of pages that failed migration, or an
88 * error code, in which case we need to count the remaining
92 nr_failed = migrate_rc;
94 list_for_each(page_lru, migratepages)
97 __entry->nr_migrated = nr_all - nr_failed;
98 __entry->nr_failed = nr_failed;
101 TP_printk("nr_migrated=%lu nr_failed=%lu",
102 __entry->nr_migrated,
106 TRACE_EVENT(mm_compaction_begin,
107 TP_PROTO(unsigned long zone_start, unsigned long migrate_pfn,
108 unsigned long free_pfn, unsigned long zone_end, bool sync),
110 TP_ARGS(zone_start, migrate_pfn, free_pfn, zone_end, sync),
113 __field(unsigned long, zone_start)
114 __field(unsigned long, migrate_pfn)
115 __field(unsigned long, free_pfn)
116 __field(unsigned long, zone_end)
121 __entry->zone_start = zone_start;
122 __entry->migrate_pfn = migrate_pfn;
123 __entry->free_pfn = free_pfn;
124 __entry->zone_end = zone_end;
125 __entry->sync = sync;
128 TP_printk("zone_start=0x%lx migrate_pfn=0x%lx free_pfn=0x%lx zone_end=0x%lx, mode=%s",
130 __entry->migrate_pfn,
133 __entry->sync ? "sync" : "async")
136 TRACE_EVENT(mm_compaction_end,
137 TP_PROTO(unsigned long zone_start, unsigned long migrate_pfn,
138 unsigned long free_pfn, unsigned long zone_end, bool sync,
141 TP_ARGS(zone_start, migrate_pfn, free_pfn, zone_end, sync, status),
144 __field(unsigned long, zone_start)
145 __field(unsigned long, migrate_pfn)
146 __field(unsigned long, free_pfn)
147 __field(unsigned long, zone_end)
153 __entry->zone_start = zone_start;
154 __entry->migrate_pfn = migrate_pfn;
155 __entry->free_pfn = free_pfn;
156 __entry->zone_end = zone_end;
157 __entry->sync = sync;
158 __entry->status = status;
161 TP_printk("zone_start=0x%lx migrate_pfn=0x%lx free_pfn=0x%lx zone_end=0x%lx, mode=%s status=%s",
163 __entry->migrate_pfn,
166 __entry->sync ? "sync" : "async",
167 __print_symbolic(__entry->status, COMPACTION_STATUS))
170 TRACE_EVENT(mm_compaction_try_to_compact_pages,
177 TP_ARGS(order, gfp_mask, prio),
181 __field(gfp_t, gfp_mask)
186 __entry->order = order;
187 __entry->gfp_mask = gfp_mask;
188 __entry->prio = prio;
191 TP_printk("order=%d gfp_mask=%s priority=%d",
193 show_gfp_flags(__entry->gfp_mask),
197 DECLARE_EVENT_CLASS(mm_compaction_suitable_template,
199 TP_PROTO(struct zone *zone,
203 TP_ARGS(zone, order, ret),
207 __field(enum zone_type, idx)
213 __entry->nid = zone_to_nid(zone);
214 __entry->idx = zone_idx(zone);
215 __entry->order = order;
219 TP_printk("node=%d zone=%-8s order=%d ret=%s",
221 __print_symbolic(__entry->idx, ZONE_TYPE),
223 __print_symbolic(__entry->ret, COMPACTION_STATUS))
226 DEFINE_EVENT(mm_compaction_suitable_template, mm_compaction_finished,
228 TP_PROTO(struct zone *zone,
232 TP_ARGS(zone, order, ret)
235 DEFINE_EVENT(mm_compaction_suitable_template, mm_compaction_suitable,
237 TP_PROTO(struct zone *zone,
241 TP_ARGS(zone, order, ret)
244 DECLARE_EVENT_CLASS(mm_compaction_defer_template,
246 TP_PROTO(struct zone *zone, int order),
248 TP_ARGS(zone, order),
252 __field(enum zone_type, idx)
254 __field(unsigned int, considered)
255 __field(unsigned int, defer_shift)
256 __field(int, order_failed)
260 __entry->nid = zone_to_nid(zone);
261 __entry->idx = zone_idx(zone);
262 __entry->order = order;
263 __entry->considered = zone->compact_considered;
264 __entry->defer_shift = zone->compact_defer_shift;
265 __entry->order_failed = zone->compact_order_failed;
268 TP_printk("node=%d zone=%-8s order=%d order_failed=%d consider=%u limit=%lu",
270 __print_symbolic(__entry->idx, ZONE_TYPE),
272 __entry->order_failed,
274 1UL << __entry->defer_shift)
277 DEFINE_EVENT(mm_compaction_defer_template, mm_compaction_deferred,
279 TP_PROTO(struct zone *zone, int order),
284 DEFINE_EVENT(mm_compaction_defer_template, mm_compaction_defer_compaction,
286 TP_PROTO(struct zone *zone, int order),
291 DEFINE_EVENT(mm_compaction_defer_template, mm_compaction_defer_reset,
293 TP_PROTO(struct zone *zone, int order),
298 TRACE_EVENT(mm_compaction_kcompactd_sleep,
312 TP_printk("nid=%d", __entry->nid)
315 DECLARE_EVENT_CLASS(kcompactd_wake_template,
317 TP_PROTO(int nid, int order, enum zone_type highest_zoneidx),
319 TP_ARGS(nid, order, highest_zoneidx),
324 __field(enum zone_type, highest_zoneidx)
329 __entry->order = order;
330 __entry->highest_zoneidx = highest_zoneidx;
334 * classzone_idx is previous name of the highest_zoneidx.
335 * Reason not to change it is the ABI requirement of the tracepoint.
337 TP_printk("nid=%d order=%d classzone_idx=%-8s",
340 __print_symbolic(__entry->highest_zoneidx, ZONE_TYPE))
343 DEFINE_EVENT(kcompactd_wake_template, mm_compaction_wakeup_kcompactd,
345 TP_PROTO(int nid, int order, enum zone_type highest_zoneidx),
347 TP_ARGS(nid, order, highest_zoneidx)
350 DEFINE_EVENT(kcompactd_wake_template, mm_compaction_kcompactd_wake,
352 TP_PROTO(int nid, int order, enum zone_type highest_zoneidx),
354 TP_ARGS(nid, order, highest_zoneidx)
358 #endif /* _TRACE_COMPACTION_H */
360 /* This part must be outside protection */
361 #include <trace/define_trace.h>